How are artists selling their NFTs that have already copyrighted characters in them? I also would love to use DC and Marvel etc. I wasn't sure if this was allowed.
I know Beeple uses Simpsons, Buzz Lightyear, and so on in some of his sold NFTs but How is this possible?

Thanks.

I am a beginner in crypto and need advice.
How Much Money Should I Invest in Cryptocurrencies if I have a sum of 5000$?

Thanks

As anybody can become a Bitcoin miner by running softwares with a special hardware.
but how the Miners gets their money, who paid them?